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Variable resistor

A variable resistor in a circuit.

A variable resistor can be used if the current needs to be varied over a range of values, changing the operation or output of the circuit.


Science Learning Hub Survey 2014

Dear Hub visitor,

You're invited to participate in an online survey about the New Zealand Science Learning Hub. This survey was designed to help Hub staff enhance and develop further the site. This is different from our November 2013 survey, so even if you took part in that survey, we would appreciate you taking this survey as well.

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